Q2X8E4

Triacs Overview

The Q2X8E4 is a standard TRIAC manufactured by Littelfuse Inc., designed for AC power control applications. It features a 200V off-state voltage rating and an 800mA maximum on-state RMS current. The device utilizes a TO-92 through-hole package, suitable for low-power switching tasks. Key electrical parameters include a maximum gate trigger voltage of 1.3V and a maximum gate trigger current of 25mA. This component is RoHS compliant and lead-free, ensuring adherence to environmental standards for electronic assemblies.

Triacs Feature Summary

• Standard TRIAC configuration for general-purpose AC switching
• Low gate trigger requirements for direct microprocessor interface
• Through-hole TO-92 package for easy PCB mounting

Triacs Applications

• AC solid-state switches
• Lower current heating controls
• Water valve actuation
• Solenoid control circuits

Triacs Procurement Notes

Verify the specific ordering suffix E4 confirms RoHS compliance and lead-free status as per Littelfuse documentation. Ensure the TO-92 package variant matches the required thermal and mechanical constraints for the target assembly. Cross-reference the 200V rating against peak line voltages to prevent breakdown during transient events.

Triacs Selection Notes

Select this component for low-current AC loads where a 200V blocking capability is sufficient. The 800mA RMS rating limits suitability to small appliances or signal-level switching rather than high-power motor drives. Consider the TO-92 package size if space constraints allow through-hole technology over surface-mount alternatives.

Triacs Part Context

This part belongs to Littelfuse's TRIAC family, specifically targeting cost-sensitive consumer electronics and home appliance markets. It serves as a basic building block for simple AC phase control or zero-crossing switching circuits in white goods and brown goods.

Triacs Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material. Verify pinout compatibility and voltage ratings when considering alternative manufacturers' TRIACs with similar 200V/0.8A specifications.